Flapping-wing ornithopter drones may potentially be more agile and energy-efficient than their fixed-wing counterparts, but most of them still can't loiter in one spot. A new model addresses that ...

Flap surgery is a type of plastic surgery that uses tissues from another part of the body to close open wounds while having its own blood supply. Open wounds are an open invitation for bacteria. Loss ...

Precise and Intelligent monitoring of flap temperature after transplantation can reduce the risks of vascular crises.

LASIK is a treatment for the correction of myopia, hyperopia and astigmatism. It has advantages over photorefractive keratectomy, such as less postoperative pain and more rapid recovery, but ...